changed icon, fixed unsubscribe/unsubscribePresence swap, added pubnub logo in app
changed name to Pubnub
Merge branch 'CL-4289938125318'

Conflicts:
	android/3.4/examples/SubscribeAtBoot/AndroidManifest.xml
	android/3.4/examples/SubscribeAtBoot/res/values/strings.xml
Fixing package name
Cleaning up package namespace